{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S5C36-IQR80-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S5C36-IQR80-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S5C36-IQR80-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S5C36-IQR80-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 5000 series microcontroller, LM3S5C36-IQR80-A2, 80MHz, 512KB flash, 64KB RAM, 64-LQFP, -40°C to 85°C.","salesMarkdown":"## 64-LQFP footprint and board-fit The LM3S5C36-IQR80-A2 ships in a 64-LQFP package with a 10x10 mm body. The 0.5 mm pitch on the 64-LQFP demands a 4-layer board for clean fan-out of the inner rows — a 2-layer board will struggle to route the supply and ground to the core without adding vias that eat into the keep-out zone. ## Memory headroom and peripheral mix The 80 MHz Cortex-M3 core delivers roughly 100 DMIPS, enough for real-time control loops and protocol parsing without a cache. The connectivity set includes USB, CAN, I²C, SPI, SSI, UART, and IrDA — a single part can bridge a CAN bus to a USB host and log data over UART simultaneously. 33 general-purpose I/O and an 8-channel 12-bit ADC cover sensor interfaces and simple human-machine interaction. The PWM and QEI peripherals suit motor-control feedback loops without an external FPGA. Texas Instruments has marked the LM3S5C36-IQR80-A2 as obsolete. No official successor or pin-compatible replacement is recorded in the manufacturer's lifecycle data. RoHS compliance is standard for this date code; full compliance documentation is available per request.","metaTitle":"Texas Instruments LM3S5C36-IQR80-A2 MCU, 80MHz, 512KB Flash","metaDescription":"Texas Instruments LM3S5C36-IQR80-A2 Stellaris ARM Cortex-M3 MCU, 80MHz, 512KB flash, 64KB RAM, 64-LQFP. Obsolete — sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"80MHz","Series":"Stellaris® ARM® Cortex®-M3S 5000","Package":"Tray","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"33","Core Processor":"ARM® Cortex®-M3","Package / Case":"64-LQFP","Product Status":"Obsolete","Data Converters":"A/D 8x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S5C36","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"3V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S5C36-IQR80-A2/alternatives.json"},"ai":{"faq":[{"question":"What is the speed of the LM3S5C36-IQR80-A2?","answer":"The core runs at 80 MHz. The Cortex-M3 pipeline sustains one instruction per clock on most operations, so the effective throughput is roughly 80 MIPS from flash with zero wait states at that speed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S5C36-IQR80-A2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S5C36-IQR80-A2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T02:55:06.500Z","lastPublished":"2026-07-21T02:55:06.500Z","indexable":true}}